Question: b) (5 points) Use 3 sigma control limit: what are the lower control limit and upper control limit. Upper Control Limit: Lower Control Limit: (c)

b) (5 points) Use 3 sigma control limit: what are the lower control limit and upper control limit. Upper Control Limit: Lower Control Limit: (c) (5 points) Please draw the control chart. > e (6 points) Based on your control chart and the data in the table, what can you conclude about the waiting time of patients? Why

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